Bumping gaia.json for 1 gaia-1_2 revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_2/rev/63c40394f841
Author: Francisco Jordano <arcturus@ardeenelinfierno.com>
Desc: Merge pull request #13218 from crdlc/bug-927599

Bug 927599 - [Homescreen] Back out greyed out icons when offline(cherry picked from commit 80bb1a9bfaddf48ed4e259d406fa89f2d5f68286)

Conflicts:

	apps/homescreen/everything.me/modules/Results/Results.css